First look at the given numbers, especially 123 degrees which if you add up the other side it equals 180 degrees so:
180-123= 57
Ok now you know two sides of the triangle and you know that all the 3 sides add up to 360 degrees so:
57+75= 132
180-132= 48
Answer:

Step-by-step explanation:
Area of parallelogram = Length × Height
Therefore, area of parallelogram:

Simplify:

Three hundred thirty-two and sixty-four hundreths
The answer is c. y ≤-3x+3